本题目来源于试卷: Form and Function B.7 Transport,类别为 IB生物学
[单选题]
What effect does theu kmj /h6amc8i/s hv.5zjkf j lg(8cp(w3lc+1- apxc 1 evaporation of water in leaves have on other parts of a plant?c(3 1 g1apw xjcl+(-l8pf zjck
A. It causes the active uptake of mineral ions.
B. It causes water and mineral ions to move upwards in xylem vessels.
C. It helps to conserve water in dry environmental conditions.
D. It facilitates the formation of hydrogen bonds between water molecules.
参考答案: B
本题详细解析:

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